What was found
NR 4 PYLON MID SPAR WEB LOWER SIDE STIFFENER CRACKED AT O/B END IN RADIUS AT NAC STA 231.
- Difficulty date
- April 12, 2006
- Submitted
- April 13, 2006
- Operation
- Air carrier
- Aircraft
- N716CK
- Make and model
- Boeing 747122
- Aircraft serial
- 19753
- Aircraft time
- 90,915 hours, 22,997 cycles
- System (JASC)
- 5420 · Nacelle/Pylon Miscellaneous Structure
- Part
- Stiffener
- Condition
- Cracked
- Location
- Nr 4 Pylon
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.